Mazda CX-90 2024 — technical service bulletin
Bulletin 01-002-24 · NHTSA communication 10251295 · issued Feb 12, 2024
Technical service bulletin
communication type
Engine and Engine Cooling
component
2024
model years
1
vehicle entries
Official summary
Some customers may experience a check engine light illumination at idle while stopped with DTC P0300:00 stored, resulting in rough idle conditions. â ¢ P0300:00: Random misfire detected This concern is caused by improper engine control in the idle range. To eliminate the concern, the PCM control software has been modified.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.